Home / 269,722,821.84-372,218,421-145,963,466.64

Finding the Fourth Proportional to 269,722,821.84, 372,218,421 and 145,963,466.64

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Solution

The fourth proportional to 269,722,821.84, 372,218,421 and 145,963,466.64 is: 201,430,085.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,722,821.84 : 372,218,421 = 145,963,466.64 : x
  2. Step 2: Convert to fraction form
    269,722,821.84/372,218,421 = 145,963,466.64/x
  3. Step 3: Cross multiply
    269,722,821.84x = 372,218,421 × 145,963,466.64
  4. Step 4: Simplify right side
    269,722,821.84x = 54,330,291,076,426,968
  5. Step 5: Solve for x
    x = 54,330,291,076,426,968/269,722,821.84
  6. Step 6: Final answer
    x = 201,430,085.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.